When you’re young, it seems like old age is an eternity away. For Twilight Sparkle, though—student, librarian, and eventual alicorn—growing up is anything but difficult. There’s a mystery to life, she realizes: a spark, a dream. A riddle from Celestia may hold the answers that Twilight seeks, but a princess’s words can take a lifetime to understand.

Prereading by Obselesence, TheNumber25, and Pearple Prose.